161146192 has 10 divisors (see below), whose sum is σ = 312220778. Its totient is φ = 80573088.

The previous prime is 161146147. The next prime is 161146199. The reversal of 161146192 is 291641161.

It can be written as a sum of positive squares in only one way, i.e., 92852496 + 68293696 = 9636^2 + 8264^2 .

It is a super-2 number, since 2×161146192² = 51936190392201728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161146199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035803 + ... + 5035834.

Almost surely, 2^161146192 is an apocalyptic number.

It is an amenable number.

161146192 is a deficient number, since it is larger than the sum of its proper divisors (151074586).

161146192 is a wasteful number, since it uses less digits than its factorization.

161146192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10071645 (or 10071639 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 161146192 is about 12694.3370051374. The cubic root of 161146192 is about 544.1767915877.

The spelling of 161146192 in words is "one hundred sixty-one million, one hundred forty-six thousand, one hundred ninety-two".